-50.81% is the change from 677 to 333
Calculation steps:
[( 333 - 677 ) ÷ 677] x 100 = -50.81%
Formula
Percentage change = [(333 - 677) / 677] x 100
Subtract the new number by the original number
333 - 677 = -344
-344 ÷ 677 = -0.5081240768094535
-0.5081240768094535 x 100 = -50.81%